Alert archive / Wyoming / High Wind Warnings in 2011

High Wind Warning 3, NWS Riverton, WY

January 20, 20115 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Jan 20, 2011, 11:33 AM MST for 5 counties in Wyoming. It was in force for 19 hr. 5 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 20, 2011, 11:33 AM MST (18:33 UTC)
Expired
Jan 21, 2011, 6:19 AM MST
In force
19 hr
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Hot Springs County, WY, Natrona County, WY, Park County, WY, Sweetwater County, WY

The radar

The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 18:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jan 20, 2:50 PM MSTNON-TSTM WND GST 727 Wsw Muddy Gap, WYCAMP CREEK RAWS - SUSTAINED WIND SPEED 36 MPH.
Jan 20, 3:50 PM MSTNON-TSTM WND GST 637 Wsw Muddy Gap, WYCAMP CREEK RAWS - SUSTAINED WIND SPEED 36 MPH.
Jan 20, 4:50 PM MSTNON-TSTM WND GST 607 Wsw Muddy Gap, WYCAMP CREEK RAWS - SUSTAINED WIND SPEED 32 MPH.
Jan 20, 5:50 PM MSTNON-TSTM WND GST 607 Wsw Muddy Gap, WYCAMP CREEK RAWS - SUSTAINED WIND SPEED 31 MPH.
Jan 20, 6:27 PM MSTNON-TSTM WND GST 607 Wsw Muddy Gap, WYCAMP CREEK RAWS - SUSTAINED WIND SPEED 37 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 6.6 hours before the alert went out and 13 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2011-01-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2011-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1017 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

402 
WWUS75 KRIW 201833
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1133 AM MST THU JAN 20 2011

...STRONG WIND IS POSSIBLE ALONG THE ABSAROKAS AND ADJACENT
FOOTHILLS AS WELL AS IN THE UPPER WIND RIVER BASIN AND THE GREEN
AND RATTLESNAKE RANGES...

.A STRONG DISTURBANCE AND APPROACHING STRONG JET WILL INCREASE
THE PRESSURE GRADIENT ACROSS THE AREA THIS AFTERNOON THROUGH
FRIDAY MORNING. MOUNTAIN WAVE ACTIVITY WILL ENHANCE THE WIND
ALONG THE ABSAROKAS.

WYZ002-210245-
/O.UPG.KRIW.HW.A.0003.110121T0000Z-110121T1500Z/
/O.NEW.KRIW.HW.W.0003.110120T1833Z-110121T1500Z/
ABSAROKA MOUNTAINS-
1133 AM MST THU JAN 20 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST FRIDAY. THE HIGH WIND
WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...WESTERLY WINDS WILL CONTINUE ALONG THE EAST
  SLOPES THIS AFTERNOON AND WILL PERSIST THROUGH THE NIGHT.

* WIND...45 TO 55 MPH WIND WITH GUSTS TO EXCEEDING 75 MPH ARE  
  POSSIBLE ALONG RIDGE TOPS AND CHIEF JOSEPH HIGHWAY.

* IMPACTS...STRONG WIND WILL RESULT IN DIFFICULT TRAVEL ALONG
  CHIEF JOSEPH HIGHWAY. BLOWING SNOW MAY REDUCE VISIBILITY...
  ADDING TO THE HAZARDOUS TRAVEL CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ003-210245-
/O.UPG.KRIW.HW.A.0003.110121T0000Z-110121T1500Z/
/O.NEW.KRIW.HW.W.0003.110120T1833Z-110121T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
1133 AM MST THU JAN 20 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST FRIDAY. THE HIGH WIND
WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...STRONG WESTERLY WIND WILL CONTINUE THIS AFTERNOON
  AND EVENING AND WILL LAST INTO THE MORNING HOURS FRIDAY.

* WIND...40 TO 50 MPH WIND WITH GUSTS TO OVER 75 MPH ARE POSSIBLE
  ALONG HIGHWAY 120. WITH HIGHER WIND IN THE CLARKS FORK GAP AREA
  AND THE SOUTH FORK CANYON SOUTH OF CODY.

* IMPACTS...STRONG CROSS WIND WILL MAKE TRAVEL DIFFICULT ALONG  
  HIGHWAY 120...PARTICULARLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ016-210245-
/O.CON.KRIW.HW.A.0003.110121T0000Z-110121T1500Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
1133 AM MST THU JAN 20 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH FRIDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH FRIDAY MORNING. 

* SUMMARY AND TIMING...STRONG NORTHWESTERLY WIND WILL DEVELOP THIS
  AFTERNOON AND WILL PERSIST THROUGH THE MORNING HOURS FRIDAY.

* WIND...30 TO 40 MPH WIND WITH GUSTS TO 60 MPH ARE POSSIBLE

* IMPACTS...TRAVEL WILL BE MADE DIFFICULT ALONG HIGHWAY 26 FROM  
  TOGWOTEE PASS TO CROWHEART...PARTICULARLY FOR HIGH PROFILE
  VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

&&

$$

WYZ019-210245-
/O.CON.KRIW.HW.A.0003.110121T0000Z-110121T1500Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
1133 AM MST THU JAN 20 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH FRIDAY MORNING...

A HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON
THROUGH FRIDAY MORNING. 

* SUMMARY AND TIMING...STRONG WIND WILL DEVELOP THIS AFTERNOON AND LAST
  THROUGH THE MORNING HOURS FRIDAY.

* WIND...30 TO 40 MPH WITH GUSTS OVER 60 MPH ARE POSSIBLE

* IMPACTS...TRAVEL MAY BECOME DIFFICULT ALONG HIGHWAY 135 PAST BEAVER
  RIM AND HIGHWAY 287/789 FROM SWEETWATER STATION TO MUDDY
  GAP...PARTICULARLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WATCH MEANS CONDITIONS ARE FAVORABLE FOR A
HAZARDOUS HIGH WIND EVENT IN AND CLOSE TO THE WATCH AREA.

&&

$$

C.BAKER
4 follow-up statements
352 
WWUS75 KRIW 202135
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
235 PM MST THU JAN 20 2011

...STRONG WIND WILL BLOW ALONG THE EAST SLOPES OF THE ABSAROKA
MOUNTAINS AND ADJACENT FOOTHILLS AS WELL AS IN THE UPPER WIND
RIVER BASIN AND THE GREEN AND RATTLESNAKE RANGES...

.A STRONG DEEPENING LOW PRESSURE TROUGH EAST OF THE MOUNTAINS
COMBINED WITH AN APPROACHING STRONG JET WILL INCREASE THE PRESSURE
GRADIENT ACROSS THE AREA THIS AFTERNOON THROUGH FRIDAY MORNING.

WYZ016-211000-
/O.UPG.KRIW.HW.A.0003.110121T0000Z-110121T1500Z/
/O.EXB.KRIW.HW.W.0003.110121T0000Z-110121T1500Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
235 PM MST THU JAN 20 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST FRIDAY. THE HIGH WIND
WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...STRONG NORTHWEST WIND WILL INCREASE THIS
  AFTERNOON AND WILL PERSIST THROUGH THE MORNING HOURS FRIDAY.

* WIND...30 TO 40 MPH WIND WITH GUSTS TO 60 MPH ARE POSSIBLE.

* IMPACTS...TRAVEL WILL BE MADE DIFFICULT ALONG HIGHWAY 26 FROM   
  TOGWOTEE PASS TO CROWHEART...PARTICULARLY FOR HIGH PROFILE  
  VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ019-211000-
/O.UPG.KRIW.HW.A.0003.110121T0000Z-110121T1500Z/
/O.EXB.KRIW.HW.W.0003.110121T0000Z-110121T1500Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
235 PM MST THU JAN 20 2011

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST FRIDAY. THE HIGH WIND
WATCH IS NO LONGER IN EFFECT. 

* SUMMARY AND TIMING...STRONG WIND WILL INCREASE THIS AFTERNOON AND LAST
  THROUGH THE MORNING HOURS FRIDAY.

* WIND...30 TO 40 MPH WITH GUSTS OVER 60 MPH ARE POSSIBLE.

* IMPACTS...TRAVEL MAY BECOME DIFFICULT ALONG HIGHWAY 135 PAST BEAVER
  RIM AND HIGHWAY 287/789 FROM SWEETWATER STATION TO MUDDY
  GAP...PARTICULARLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ002-211000-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
ABSAROKA MOUNTAINS-
235 PM MST THU JAN 20 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* SUMMARY AND TIMING...WESTERLY WINDS WILL CONTINUE ALONG THE EAST SLOPES
  THIS AFTERNOON AND WILL PERSIST THROUGH THE NIGHT.

* WIND...45 TO 55 MPH WIND WITH GUSTS TO EXCEEDING 75 MPH ARE  
  POSSIBLE ALONG RIDGE TOPS AND CHIEF JOSEPH HIGHWAY.

* IMPACTS...STRONG WIND WILL RESULT IN DIFFICULT TRAVEL ALONG  
  CHIEF JOSEPH HIGHWAY. BLOWING SNOW MAY REDUCE VISIBILITY...  
  ADDING TO THE HAZARDOUS TRAVEL CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ003-211000-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
235 PM MST THU JAN 20 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* SUMMARY AND TIMING...STRONG WESTERLY WIND WILL CONTINUE THIS
  AFTERNOON AND EVENING AND WILL LAST INTO THE MORNING HOURS
  FRIDAY.

* WIND...40 TO 50 MPH WIND WITH GUSTS TO OVER 75 MPH ARE POSSIBLE
  ALONG HIGHWAY 120. WITH HIGHER WIND IN THE CLARKS FORK GAP AREA
  AND THE SOUTH FORK CANYON SOUTH OF CODY.

* IMPACTS...STRONG CROSS WIND WILL MAKE TRAVEL DIFFICULT ALONG  
  HIGHWAY 120...PARTICULARLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

C.BAKER
971 
WWUS75 KRIW 210106
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
606 PM MST THU JAN 20 2011

...STRONG WIND WILL BLOW ALONG THE EAST SLOPES OF THE ABSAROKA
MOUNTAINS AND ADJACENT FOOTHILLS AS WELL AS IN THE UPPER WIND
RIVER BASIN AND THE GREEN AND RATTLESNAKE RANGES...

.A STRONG DEEPENING LOW PRESSURE TROUGH EAST OF THE MOUNTAINS
COMBINED WITH AN APPROACHING STRONG JET WILL INCREASE THE
PRESSURE GRADIENT ACROSS THE AREA THIS AFTERNOON THROUGH FRIDAY
MORNING.

WYZ002-211100-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
ABSAROKA MOUNTAINS-
606 PM MST THU JAN 20 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* SUMMARY AND TIMING...STRONG WESTERLY WINDS WILL CONTINUE ALONG
  THE EAST SLOPES TONIGHT WITH MAXIMUM HIGH WIND SPEEDS EXPECTED THIS
  EVENING THROUGH 3 AM FRIDAY MORNING.

* WIND...45 TO 55 MPH WIND WITH GUSTS TO EXCEEDING 75 MPH ARE
  POSSIBLE ALONG RIDGE TOPS AND CHIEF JOSEPH HIGHWAY. SUSTAINED
  WINDS NEAR 60 MPH WITH A GUST OF 79 MPH WERE RECORDED AT A
  REMOTE SENSING SITE ALONG CHIEF JOSEPH HIGHWAY AT 8300 FEET
  ELEVATION AT 510 PM THIS EVENING.

* IMPACTS...STRONG WIND WILL RESULT IN DIFFICULT TRAVEL ALONG 
  CHIEF JOSEPH HIGHWAY. BLOWING SNOW MAY REDUCE VISIBILITY... 
  ADDING TO THE HAZARDOUS TRAVEL CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ003-211100-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
606 PM MST THU JAN 20 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* SUMMARY AND TIMING...STRONG WESTERLY WIND WILL INCREASE THROUGH
  THE EVENING WITH MAXIMUM WIND SPEEDS EXPECTED THIS EVENING
  THROUGH 3 AM FRIDAY MORNING...BEFORE GRADUALLY TAPERING OFF AFTERWARDS.

* WIND...40 TO 50 MPH WIND WITH GUSTS TO OVER 75 MPH ARE 
  POSSIBLE ALONG HIGHWAY 120. WITH HIGHER WIND IN THE CLARKS 
  FORK GAP AREA AND THE SOUTH FORK CANYON SOUTH OF CODY. 

* IMPACTS...STRONG CROSS WIND WILL MAKE TRAVEL DIFFICULT ALONG 
  HIGHWAY 120...PARTICULARLY FOR HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ016-211100-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
606 PM MST THU JAN 20 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* SUMMARY AND TIMING...STRONG NORTHWEST WIND WILL CONTINUE TO
  INCREASE THIS EVENING WITH MAXIMUM HIGH WINDS EXPECTED BETWEEN 9
  PM AND 3 AM FRIDAY MORNING. THE WINDS WILL GRADUALLY DIMINISH
  AFTERWARDS.

* WIND...30 TO 40 MPH WIND WAS OBSERVED FROM DUBOIS TO CROWHEART
  EARLY THIS EVENING. EXPECT WIND SPEEDS OF 35 TO 45 MPH WITH
  GUSTS OF 60 TO 65 MPH BETWEEN 9 PM THIS EVENING AND 3 AM FRIDAY
  MORNING.

* IMPACTS...TRAVEL WILL BE MADE DIFFICULT ALONG HIGHWAY 26 FROM 
  TOGWOTEE PASS TO CROWHEART...PARTICULARLY FOR HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ019-211100-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
606 PM MST THU JAN 20 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST FRIDAY. 

* SUMMARY AND TIMING...STRONG WIND WILL INCREASE THROUGH THE
  EVENING AND LAST THROUGH THE MORNING HOURS FRIDAY.

* WIND...30 TO 40 MPH WITH GUSTS OVER 60 MPH ARE POSSIBLE. WIND
  GUSTS OF UP TO 62 MPH HAVE BEEN RECORDED NEAR MUDDY GAP AND IN
  THE RATTLESNAKE RANGE THIS AFTERNOON. 

* IMPACTS...TRAVEL WILL BE DIFFICULT ALONG HIGHWAY 135 PAST BEAVER
  RIM AND HIGHWAY 287/789 FROM SWEETWATER STATION TO MUDDY
  GAP...PARTICULARLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

AEM
725 
WWUS75 KRIW 211017
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
317 AM MST FRI JAN 21 2011

...STRONG WIND WILL BLOW ALONG THE EAST SLOPES OF THE ABSAROKA
MOUNTAINS AND ADJACENT FOOTHILLS AS WELL AS IN THE UPPER WIND
RIVER BASIN...

.A STRONG DEEPENING LOW PRESSURE TROUGH EAST OF THE MOUNTAINS
COMBINED WITH SURFACING STRONG WINDS ALOFT WILL RESULT IN STRONG WINDS.

WYZ019-211130-
/O.CAN.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
INCLUDING THE CITY OF...JEFFREY CITY
317 AM MST FRI JAN 21 2011

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WARNING. 

WINDS HAVE DIMINISHED IN THE GREEN MOUNTAINS AND THE RATTLESNAKE
RANGE. THIS THE HIGH WIND WARNING HAS BEEN CANCELLED.

$$

WYZ002-211500-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
ABSAROKA MOUNTAINS-
317 AM MST FRI JAN 21 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING. 

* SUMMARY AND TIMING...STRONG WESTERLY WINDS WILL CONTINUE ALONG
  THE EAST SLOPES THROUGH 8 AM THIS MORNING.

* WIND...45 TO 55 MPH WIND WITH GUSTS EXCEEDING 75 MPH ARE
  EXPECTED ALONG RIDGE TOPS AND CHIEF JOSEPH HIGHWAY. SUSTAINED
  WINDS NEAR 60 MPH WITH A GUST OF 79 MPH WERE RECORDED AT A
  REMOTE SENSING SITE ALONG CHIEF JOSEPH HIGHWAY AT 8300 FEET
  ELEVATION AT 510 PM FRIDAY EVENING.

* IMPACTS...STRONG WIND WILL RESULT IN DIFFICULT TRAVEL ALONG 
  CHIEF JOSEPH HIGHWAY. BLOWING SNOW MAY REDUCE VISIBILITY... 
  ADDING TO THE HAZARDOUS TRAVEL CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ003-211500-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
CODY FOOTHILLS-
INCLUDING THE CITIES OF...CODY...MEETEETSE
317 AM MST FRI JAN 21 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING. 

* SUMMARY AND TIMING...STRONG WESTERLY WIND WILL CONTINUE THROUGH
  8 AM THIS MORNING...BEFORE GRADUALLY TAPERING OFF AFTER WARDS.

* WIND...40 TO 50 MPH WIND WITH GUSTS TO OVER 75 MPH ARE POSSIBLE
  ALONG HIGHWAY 120 WITH HIGHER WIND IN THE CLARKS FORK GAP AREA
  AND THE SOUTH FORK CANYON SOUTH OF CODY.

* IMPACTS...STRONG CROSS WIND WILL MAKE TRAVEL DIFFICULT ALONG
  HIGHWAY 120...PARTICULARLY FOR HIGH PROFILE VEHICLES. BE ALERT
  FOR FALLING TREE BRANCHES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

WYZ016-211500-
/O.CON.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
UPPER WIND RIVER BASIN-
INCLUDING THE CITY OF...DUBOIS
317 AM MST FRI JAN 21 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING. 

* SUMMARY AND TIMING...STRONG NORTHWEST WIND WILL CONTINUE THROUGH
  8 AM THIS MORNING. THE WINDS WILL GRADUALLY DIMINISH AFTER WARDS.

* WIND...30 TO 40 MPH WIND WAS OBSERVED FROM DUBOIS TO CROWHEART.
  EXPECT WIND SPEEDS OF 35 TO 45 MPH WITH GUSTS OF 60 TO 65 MPH.

* IMPACTS...TRAVEL WILL BE MADE DIFFICULT ALONG HIGHWAY 26 FROM 
  TOGWOTEE PASS TO CROWHEART...PARTICULARLY FOR HIGH PROFILE 
  VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

LIPSON
549 
WWUS75 KRIW 211319
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
619 AM MST FRI JAN 21 2011


WYZ002-003-016-211430-
/O.CAN.KRIW.HW.W.0003.000000T0000Z-110121T1500Z/
ABSAROKA MOUNTAINS-CODY FOOTHILLS-UPPER WIND RIVER BASIN-
INCLUDING THE CITIES OF...CODY...MEETEETSE...DUBOIS
619 AM MST FRI JAN 21 2011

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WARNING...SINCE WINDS HAVE WEAKENED BELOW WARNING
CRITERIA...AND ARE NO LONGER EXPECTED. HOWEVER...WESTERLY WINDS
WILL REMAIN WINDY ACROSS THE UPPER WIND RIVER BASIN...AND THE EASTERN
SLOPES OF THE ABSAROKA MOUNTAINS WITH WINDS GENERALLY BETWEEN 20
AND 30 MPH...WITH GUSTS TO AROUND 40 MPH.

$$

The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 20, 2:51 AM MSTHigh Wind WatchRIWFremont, Hot Springs, Natrona, Park, Sweetwater12 hr

Nearby

High Wind Warnings in Wyoming, 2011Every high wind warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.